// Smoke test: two bot clients join, aim at each other, and fight.
// Verifies welcome/state flow, phases, hits, deaths, round ends, scoring.
// Usage: start the server first, then `node tools/smoke.mjs`
import WebSocket from 'ws';

const URL = process.env.SMOKE_URL || 'ws://localhost:3000/ws';
const seen = { phases: new Set(), events: new Set(), scores: new Set() };

function bot(name) {
  const ws = new WebSocket(URL);
  let me = null;
  let latest = null;

  ws.on('open', () => ws.send(JSON.stringify({ t: 'join', name })));
  ws.on('message', (d) => {
    const m = JSON.parse(d.toString());
    if (m.t === 'welcome') {
      me = m.id;
      console.log(`[${name}] welcome, id=${m.id}, seed=${m.seed}`);
      return;
    }
    if (m.t !== 'state') return;
    latest = m;
    seen.phases.add(m.phase);
    for (const e of m.events) {
      seen.events.add(e.kind);
      if (['die', 'roundEnd', 'matchEnd'].includes(e.kind)) {
        console.log(`[${name}] event:`, JSON.stringify(e));
      }
    }
    const mine = m.players.find((p) => p.id === me);
    if (mine) seen.scores.add(`${name}:${mine.score}/${mine.hp}`);
  });
  ws.on('error', (e) => { console.error(`[${name}] ws error:`, e.message); });

  // aim at nearest opponent, shuffle around, hold fire
  setInterval(() => {
    if (ws.readyState !== 1 || !latest) return;
    const mine = latest.players.find((p) => p.id === me);
    if (!mine) return;
    const others = latest.players.filter((p) => p.id !== me && p.alive && p.inRound);
    let angle = Math.random() * Math.PI * 2;
    if (others.length > 0) {
      const t = others[0];
      angle = Math.atan2(t.y - mine.y, t.x - mine.x);
    }
    ws.send(JSON.stringify({
      t: 'input',
      up: Math.random() < 0.3,
      down: Math.random() < 0.3,
      left: Math.random() < 0.3,
      right: Math.random() < 0.3,
      angle,
      fire: true,
    }));
  }, 60);
}

bot('Alpha');
setTimeout(() => bot('Bravo'), 400);

setTimeout(() => {
  console.log('\n--- smoke summary ---');
  console.log('phases seen :', [...seen.phases].join(', '));
  console.log('events seen :', [...seen.events].join(', '));
  console.log('score/hp samples:', [...seen.scores].slice(0, 12).join('  '));
  const ok = seen.phases.has('round') && seen.events.has('throw') && seen.events.has('hit');
  console.log(ok ? '✅ SMOKE OK' : '⚠️  smoke inconclusive (check output above)');
  process.exit(0);
}, Number(process.env.SMOKE_MS || 25000));